0.9.9/api/a00542_source.html

 #pragma once

 // Dependency:
 #include "../geometric.hpp"
 #include "../gtx/quaternion.hpp"

 #ifndef GLM_ENABLE_EXPERIMENTAL
 #   error "GLM: GLM_GTX_norm is an experimental extension and may change in the future. Use #define GLM_ENABLE_EXPERIMENTAL before including it, if you really want to use it."
 #endif

 #if GLM_MESSAGES == GLM_ENABLE && !defined(GLM_EXT_INCLUDED)
 #   pragma message("GLM: GLM_GTX_norm extension included")
 #endif

 namespace glm
 {

     template<length_t L, typename T, qualifier Q>
     GLM_FUNC_DECL T length2(vec<L, T, Q> const& x);

     template<length_t L, typename T, qualifier Q>
     GLM_FUNC_DECL T distance2(vec<L, T, Q> const& p0, vec<L, T, Q> const& p1);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T l1Norm(vec<3, T, Q> const& x, vec<3, T, Q> const& y);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T l1Norm(vec<3, T, Q> const& v);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T l2Norm(vec<3, T, Q> const& x, vec<3, T, Q> const& y);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T l2Norm(vec<3, T, Q> const& x);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T lxNorm(vec<3, T, Q> const& x, vec<3, T, Q> const& y, unsigned int Depth);

     template<typename T, qualifier Q>
     GLM_FUNC_DECL T lxNorm(vec<3, T, Q> const& x, unsigned int Depth);

 }//namespace glm

 #include "norm.inl"
glm::l2Norm
GLM_FUNC_DECL T l2Norm(vec< 3, T, Q > const &x)
Returns the L2 norm of v.

glm::l1Norm
GLM_FUNC_DECL T l1Norm(vec< 3, T, Q > const &v)
Returns the L1 norm of v.

glm
Definition: common.hpp:20

glm::length2
GLM_FUNC_DECL T length2(vec< L, T, Q > const &x)
Returns the squared length of x.

glm::lxNorm
GLM_FUNC_DECL T lxNorm(vec< 3, T, Q > const &x, unsigned int Depth)
Returns the L norm of v.

glm::distance2
GLM_FUNC_DECL T distance2(vec< L, T, Q > const &p0, vec< L, T, Q > const &p1)
Returns the squared distance between p0 and p1, i.e., length2(p0 - p1).